.TH "nvme_update_key" 9 "nvme_update_key" "July 2025" "libnvme API manual" LINUX
.SH NAME
nvme_update_key \- Update key raw data
.SH SYNOPSIS
.B "long" nvme_update_key
.BI "(long keyring_id "  ","
.BI "const char *key_type "  ","
.BI "const char *identity "  ","
.BI "unsigned char *key_data "  ","
.BI "int key_len "  ");"
.SH ARGUMENTS
.IP "keyring_id" 12
Id of the keyring holding key_id
.IP "key_type" 12
Type of the key to insert
.IP "identity" 12
Key identity string
.IP "key_data" 12
Raw data of the key
.IP "key_len" 12
Length of \fIkey_data\fP
.SH "DESCRIPTION"
Links the keyring specified by \fIkeyring_id\fP into the session
keyring and updates the key reference by \fIidentity\fP with \fIkey_data\fP.
The old key with identity \fIidentity\fP will be revoked to make it
inaccessible.
.SH "RETURN"
Key id of the new key or 0 with errno set otherwise.
